Add or Subtract by first simplifying each radical and then combining

Algebra
Tutor: None Selected Time limit: 1 Day

Add or subtract by first simplifying each radical and then combining any like radicals. Assuming that all variables represent positive numbers 

√49x^2 + √25x^2 - 13√x

Jul 24th, 2015

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√49x^2 + √25x^2 - 13√x

7  x^2 +5 x^2 -13√x

=12x^2-13√x



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Jul 24th, 2015

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